Shoe upper



FIG. 1 is a perspective view of a shoe upper showing my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front plan view thereof; and,

FIG. 6 is a rear plan view thereof.

The broken line showing of the remainder of the shoe is for illustrative purposes only and forms no part of the claimed invention. 

The ornamental design for a shoe upper, as shown and described. 